鱼类资源是我们伟大祖国宝贵的物质财富,它是可以繁殖衍生的一种生物资源,如果合理开发利用就能代代延续、持之不衰、取之不尽、用之不竭。但由于自然条件的变迁和人为因素的干扰当今资源已摧遭破坏,鱼越捕越少,越捕越小;有些珍贵种类如:鲥鱼、胭脂鱼等几乎绝迹;洞庭湖的银鱼也大大减产。这种迹象 Fish resources are the precious material wealth of our great motherland. It is a kind of biological resource that can be propagated and derived. If the rational exploitation and utilization can be carried on from generation to generation, inexhaustible, inexhaustible and inexhaustible. However, due to the change of natural conditions and the interference of man-made factors, resources have been destroyed today. The less fish they catch, the smaller the more they catch the fish. Some precious species such as mullet and oyster fish almost disappear. . This sign